Files included:

When-HOGS-Fly_validation-and-analysis.do - 32KB - Stata do file for replication.
Diplometrics_COLT_Travel_Dataset_20240711.xlsx - 25.4MB - The COLT dataset
HOGS_monadic_panel-for-analysis.dta - 1MB - Country-year panel datset for statistical analysis with heads of government and state leader travel counts
COLT_Dyadic_for-regression-analysis_20240711.dta - 3.96GB - Directed-dyad-year panel datset for statistical analysis with heads of government and state leader travel counts
Ten-pct-recognition_independence_count.dta - 626KB - Panel of states with at least 10% recognition by other states from 1990-2023; used for "normalized" travel counts, where counts are divided by the number of states in the international system in that year.
china_visits.v1.dta- 184KB - Replication data from Wang & Stone (2022)
HuWenReplication.dta - 30KB - Replication data from Kastner & Saunders (2012)
JiangZhuReplication1.dta - 31KB - Replication data from Kastner & Saunders (2012)
diplomatic_core.replication.dta - 4.5MB - Replication data from Lebovic and Saunders (2016)
TRLeaderVisits.dta - 124KB - Replication data from Balci & Pulat (2024)


Instructions for replication:

Copy all files above into a single folder.
Set your directory in Stata to that folder (do this with line 5 at the top of the do file).
Click "Do" -- noting that you may need to install a few commands (e.g., ssc install center; ssc install ppmlhdfe) that do not come standard with Stata as of version 15.